<section class="weui-article markdown">
  <h1>
    {{ item.meta.title }}
    <span *ngIf="item.meta.subtitle" class="subtitle">{{ item.meta.subtitle }}</span>
    <edit-button [item]="item"></edit-button>
  </h1>
  <div *ngIf="item.content" [innerHTML]="item.content"></div>
</section>
